"When we know why, we know what to do."

"I don't need a theory, I just want to know what the hell is going on."

"I have often thought that if I were to be reborn, I'd like to be a biologist."

"I'm not interested in science for the sake of science. I'm interested in science for the sake of understanding the world."

"The thing about science is that it's all about discovery. It's all about trying to find out what's going on."